134533221 has 8 divisors (see below), whose sum is σ = 184225824. Its totient is φ = 87264720.

The previous prime is 134533207. The next prime is 134533229. The reversal of 134533221 is 122335431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134533221 - 2⁷ = 134533093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134533191 and 134533200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134533229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605895 + ... + 606116.

It is an arithmetic number, because the mean of its divisors is an integer number (23028228).

Almost surely, 2^134533221 is an apocalyptic number.

It is an amenable number.

134533221 is a deficient number, since it is larger than the sum of its proper divisors (49692603).

134533221 is a wasteful number, since it uses less digits than its factorization.

134533221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212051.

The product of its digits is 2160, while the sum is 24.

The square root of 134533221 is about 11598.8456753248. The cubic root of 134533221 is about 512.4008561737.

Adding to 134533221 its reverse (122335431), we get a palindrome (256868652).

The spelling of 134533221 in words is "one hundred thirty-four million, five hundred thirty-three thousand, two hundred twenty-one".